{"text_format":"2","workbook":"xls","n_sheets":3,"sheets":["calcul qf","Tirage Mécanique app photo ","Feuil3"],"not_rendered":{"charts":0,"images":1,"macros":0,"external_links":1,"defined_names":1,"comments":0,"pivot_tables":0},"unopened":[],"bounds":{"document_bytes":16777216,"sheet_cells":100000,"run_cost":"one","rows_first":2000,"rows_last":500,"rows_between":2000,"halvings":0,"cell_chars":16384,"cell_head_chars":4096},"cells_cut":0,"cells_raw":0,"read":"whole","date_system":"1900","formulas":"cached_only"}

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[null,null,null,"Explication"]
["Distance focale primaire",1830,"f"]
["Distance secondaire oculaire",290,"Lde"]
["Distance primaire secondaire",1540,"Lmd"]
["Epaisseur porte oculaire",100]
["Dépassement porte oculaire",20]
["Diamètre tube",340]
["Diamètre miroir",260,"D"]
["Diagonale mini du secondaire etoile ponctuelle",41.202185792349724,"(D/F)*Lde","Thales D/F = df/Lde"]
["F/D",7.038461538461538]
["Dia  angulaire objet",0.5]
["taille image au foyer  de l'objet ",15.970168057088584,"df","Calcul de la taille par la tangente"]
["Taille secondaire : petit axe ",54.64156219011826,"a"]
["Taille secondaire : grand axe ",77.27483831851816,"b"]
[]
["build your own telescope p 27"]

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["Nom ","Type d'appareil","Type de monture","Tirage mécanique"]
["Canon R ","35 mm (photographie) ","Breech lock ","42 mm"]
["Canon FL ","35 mm (photographie) ","Breech lock ","42 mm"]
["Canon FD ","35 mm (photographie) ","Breech lock ","42 mm"]
["Fujica-X ","35 mm (photographie) ","baïonnette ","43,50 mm"]
["Minolta MC/MD ","35 mm (photographie) ","baïonnette ","43,50 mm"]
["Canon EF ","35 mm (photographie) ","baïonnette ","44 mm"]
["Canon EF-S ","APS-C digital (photographie) ","baïonnette ","44 mm"]
["Sigma SA ","35 mm (photographie) ","baïonnette ","44 mm"]
["Minolta AF ","35 mm (photographie) ","baïonnette ","44,50 mm"]
["Rolleiflex SL35 ","35 mm (photographie) ","baïonnette ","44,60 mm"]
["Exakta, Topcon ","35 mm (photographie) ","baïonnette ","44,7 mm"]
["Pentax K ","35 mm (photographie) ","baïonnette ","45,46 mm"]
["monture M42 or Praktica ","35 mm (photographie) ","vis (42 × 1mm) ","45,46 mm"]
["Olympus OM ","35 mm (photographie) ","baïonnette ","46 mm"]
["Yashica/Contax ","35 mm (photographie) ","baïonnette ","45,50 mm"]
["monture Nikon F ","35 mm (photographie) ","baïonnette ","46,5 mm"]
["Leica R ","35 mm (photographie) ","baïonnette ","47 mm"]
["monture T ","35 mm (photographie) ","vis (M42 × 0,75) ","55 mm"]

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